Modelú¦85BYGH450A-001ú+85BYGH450A-002 ú+85BYGH450B-002ú+85BYGH450B-004ú+85BYGH450B-00885BYGH450C-001ú+85BYGH450C-012ú+85BYGH450D-002ú+85BYGH450D-007 Step angel ( íp ): 1.8 Motor Length L(mm): 75~151 Rate Voltage(V): 1.9~7.8 Rate Current (A): 2~6 Phase Resistance ( ª+ ): 0.43~3.9 Phase Inductance (mH): 2.5~22 Holding Torque (N.m): 2.1~9.3 Lead Wire (NO.): 4/8 Rotor Inertia (kg. c¬O): 1.4~3.6 Motor Weight (kg): 2.3~5. 85mm,9.3n-m.